kate amara is in washington with this report. >> good afternoon, sarah. more backyard discussions with voters about the economy. a campus rally at the university of wisconsin -- >> i don't know about you, but i am fired up. >> president barack obama trying to excite voters. >> we face another test. the stakes could not be higher. >> hoping to get young voters and other backers to cast ballots in november, telling this crowd to get to work and stay involved. >> the biggest mistake that we could make it is to let frustration and lead to in difference. >> the party needs this push for support at the polls according to recent surveys, a gallup poll showing republicans lead the way in its enthusiasm. political strategists know the outcome of the midterm often hinges on it turnout. >> he needs to communicate to young people, too young voters, that even though it is not a presidential election, there is so much on the line. >> this is a first of four large rallies planned for the president. >> thanks. president obama is making his presence known in maryland's gu